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<TITLE> [Mono-bugs] [Bug 621468] New: cross-compile script get confused by phread-win32 semaphore.h
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<H1>[Mono-bugs] [Bug 621468] New: cross-compile script get confused by phread-win32 semaphore.h</H1>
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<B>bugzilla_noreply at novell.com</B>
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<A HREF="mailto:mono-bugs%40lists.ximian.com?Subject=%5BMono-bugs%5D%20%5BBug%20621468%5D%20New%3A%20cross-compile%20script%20get%20confused%20by%0A%20phread-win32%20semaphore.h&In-Reply-To="
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TITLE="[Mono-bugs] [Bug 621468] New: cross-compile script get confused by phread-win32 semaphore.h">bugzilla_noreply at novell.com
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</A><BR>
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<I>Sun Jul 11 10:04:30 EDT 2010</I>
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<!--beginarticle-->
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<PRE><A HREF="http://bugzilla.novell.com/show_bug.cgi?id=621468">http://bugzilla.novell.com/show_bug.cgi?id=621468</A>
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<A HREF="http://bugzilla.novell.com/show_bug.cgi?id=621468#c0">http://bugzilla.novell.com/show_bug.cgi?id=621468#c0</A>
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Summary: cross-compile script get confused by phread-win32
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semaphore.h
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Classification: Mono
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Product: Mono: Runtime
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Version: SVN
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Platform: x86-64
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OS/Version: RHEL 5
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Status: NEW
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Severity: Normal
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Priority: P5 - None
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Component: io-layer
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AssignedTo: <A HREF="http://lists.ximian.com/mailman/listinfo/mono-bugs">lupus at novell.com</A>
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ReportedBy: <A HREF="http://lists.ximian.com/mailman/listinfo/mono-bugs">htl10 at users.sourceforge.net</A>
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QAContact: <A HREF="http://lists.ximian.com/mailman/listinfo/mono-bugs">mono-bugs at lists.ximian.com</A>
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Found By: ---
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Blocker: ---
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User-Agent: Mozilla/5.0 (compatible; Konqueror/4.4; Linux) KHTML/4.4.4
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(like Gecko) Fedora/4.4.4-1.fc13
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It is on Fedora 13, which can optionally have mingw32-pthreads ; with current
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svn head (r160202 today):
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The problem is that fedora 13 's mingw32-pthreads comes with <semaphore.h> (
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/usr/i686-pc-mingw32/sys-root/mingw/include/semaphore.h) which the configure
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script can detect when driven by ./build-mingw32.sh . Now, of course if
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building for windows (cross-compiling), one should be using windows semaphore
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rather than pthread-win32 semaphore. Things gets very confused and broken due
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to the presence of /usr/i686-pc-mingw32/sys-root/mingw/include/semaphore.h and
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/configure setting HAVE_SEMAPHORE_H .
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I found that I need to unset HAVE_SEMAPHORE_H like this below in two places for
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svn r160202 to build. (or move the header
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"/usr/i686-pc-mingw32/sys-root/mingw/include/semaphore.h", for it not to be
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detected, which is more troublesome).
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-----------------
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diff --git a/mono/io-layer/semaphores.c b/mono/io-layer/semaphores.c
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index 73fda73..bb526b1 100644
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--- a/mono/io-layer/semaphores.c
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+++ b/mono/io-layer/semaphores.c
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@@ -10,6 +10,9 @@
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#include <config.h>
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#include <glib.h>
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#include <pthread.h>
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+#if defined(__WIN32)
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+#undef HAVE_SEMAPHORE_H
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+#endif
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#ifdef HAVE_SEMAPHORE_H
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#include <semaphore.h>
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#endif
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diff --git a/mono/utils/mono-semaphore.h b/mono/utils/mono-semaphore.h
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index d6be806..1ed0518 100644
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--- a/mono/utils/mono-semaphore.h
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+++ b/mono/utils/mono-semaphore.h
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@@ -12,6 +12,9 @@
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#include <config.h>
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#include <glib.h>
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+#if defined(__WIN32)
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+#undef HAVE_SEMAPHORE_H
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+#endif
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#ifdef HAVE_SEMAPHORE_H
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#include <semaphore.h>
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#endif
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--------------------------------------
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Can you consider putting something similar (TARGET_WIN32?) to undef
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HAVE_SEMAPHORE_H so as to use windows semaphore?
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Reproducible: Always
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Steps to Reproduce:
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1. have semaphore.h from pthreads and put it somewhere findable by the mingw
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cross-compiler
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2. run ./build-mingw32.sh to attempt cross-compiling
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3. compilation fails when compiling a file ...../mono-semephore.c , about
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mode_t
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Actual Results:
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compilation fails
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Expected Results:
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compilation continues and build finishes.
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The message:
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--------
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make[4]: Entering directory
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`/home/Hin-Tak/tmp-git/mono-svn/build-cross-windows/mono/utils'
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/bin/sh ../../libtool --tag=CC --mode=compile i686-pc-mingw32-gcc
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-DHAVE_CONFIG_H -I. -I../../../mono/utils -I../.. -I../../.. -I../../../mono
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-I../../../libgc/include -I../../../eglib/src -I../../eglib/src
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-DWINVER=0x0500 -D_WIN32_WINNT=0x0500 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE
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-DWIN32_THREADS -DFD_SETSIZE=1024 -g -O2 -fno-strict-aliasing
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-Wdeclaration-after-statement -g -Wall -Wunused -Wmissing-prototypes
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-Wmissing-declarations -Wstrict-prototypes -Wmissing-prototypes
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-Wnested-externs -Wpointer-arith -Wno-cast-qual -Wwrite-strings
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-mno-tls-direct-seg-refs -MT mono-semaphore.lo -MD -MP -MF
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deps/mono-semaphore.Tpo -c -o mono-semaphore.lo
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./../../mono/utils/mono-semaphore.c
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libtool: compile: i686-pc-mingw32-gcc -DHAVE_CONFIG_H -I.
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-I../../../mono/utils -I../.. -I../../.. -I../../../mono
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-I../../../libgc/include -I../../../eglib/src -I../../eglib/src -DWINVER=0x0500
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-D_WIN32_WINNT=0x0500 -D_WIN32_IE=0x0501 -D_UNICODE -DUNICODE -DWIN32_THREADS
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-DFD_SETSIZE=1024 -g -O2 -fno-strict-aliasing -Wdeclaration-after-statement -g
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-Wall -Wunused -Wmissing-prototypes -Wmissing-declarations -Wstrict-prototypes
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-Wmissing-prototypes -Wnested-externs -Wpointer-arith -Wno-cast-qual
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-Wwrite-strings -mno-tls-direct-seg-refs -MT mono-semaphore.lo -MD -MP -MF
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deps/mono-semaphore.Tpo -c ../../../mono/utils/mono-semaphore.c -DDLL_EXPORT
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-DPIC -o .libs/mono-semaphore.o
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./../../mono/utils/mono-semaphore.c: In function 'mono_sem_timedwait':
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./../../mono/utils/mono-semaphore.c:37: error: storage size of 'ts' isn't
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known
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./../../mono/utils/mono-semaphore.c:37: error: storage size of 'copy' isn't
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known
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./../../mono/utils/mono-semaphore.c:51: warning: implicit declaration of
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function 'gettimeofday'
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./../../mono/utils/mono-semaphore.c:51: warning: nested extern declaration of
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'gettimeofday'
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./../../mono/utils/mono-semaphore.c:37: warning: unused variable 'copy'
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./../../mono/utils/mono-semaphore.c:37: warning: unused variable 'ts'
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make[4]: *** [mono-semaphore.lo] Error 1
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-------------
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--
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Configure bugmail: <A HREF="http://bugzilla.novell.com/userprefs.cgi?tab=email">http://bugzilla.novell.com/userprefs.cgi?tab=email</A>
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------- You are receiving this mail because: -------
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You are the QA contact for the bug.
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</PRE>
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<LI>Previous message: <A HREF="102080.html">[Mono-bugs] [Bug 609632] EGlib's g_get_home_dir() not able to read /etc/passwd
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